Samsung SGH D900i Service Manual - Page 44

Sim Part

Get Samsung SGH D900i - Ultra Edition 12.9 Cell Phone 60 MB PDF manuals and user guides View all Samsung SGH D900i manuals
Add to My Manuals
Save this manual to your list of manuals

Page 44 highlights

9-4. Sim Part Phone can't access SIM Card Yes CN501 pin 1,5 = "H"? Yes After Power ON, Check SIMCLK Signal on pin3 of CN501 in a few second Yes After SIM card insert, CN501 pin 2 = "H(SIM_RST)"? Yes Check the SIM Card Yes END Flow Chart of Troubleshooting No Resolder or replace U402 No Check the Clock No Replace PBA 9-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-7
9-4. Sim Part
CN501 pin 1,5 = "H"?
Phone can't access SIM Card
Resolder or replace U402
Check the SIM Card
END
No
Yes
Yes
Yes
No
Check the Clock
After Power ON,
Check SIMCLK Signal on
pin3 of CN501 in a few second
Yes
No
Replace PBA
After SIM card insert,
CN501 pin 2 = "H(SIM_RST)"?
Yes